Investigation of the Duration of Cold Plasma Treatment: A Double Perovskite Oxide for Deep Oxidation

The growth of the modern world is heavily dependent on industrialization, which may produce so much contamination of the soil, water, and air. To prevent harsh problems such as diseases from occurring, it is vital to reduce these contaminants. One way to reduce the pollutants in the air is using catalysts in cars, motorcycles, industrial units, etc. Though catalysts show promising features, they also have problems such as not enduring the reactions, choking, crashing, failing, and other problems. To solve this crucial matter in this project, a double perovskite catalyst was treated with cold plasma, and the results were investigated using different methods and observations. There were ۴ samples in total, which were treated using cold plasma. All the samples were the same, and the difference was in the time of treatment, which varied between ۰.۵, ۱, ۲, and ۱۰ minutes. These catalysts were then put to the experiment, and the results were promising. The sample that was treated for a longer time showed more uniformity in size and distribution of the particles. The results show that a longer treatment time also increases the specific surface area of the particles, which is essential in the absorption process. In addition, in the samples that were treated longer, the equilibrium occurs in about ۵ to ۱۵% less time compared to the samples that were treated for only a short period. It was added that samples with longer treatment showed a better rate of reaction at higher pressures for up to ۱۲%. Finally, the catalyst with less treatment showed a more fragile structure that made it less retrievable compared to the other samples.

کلیدواژه ها:

Duration of cold plasma treatment ، Double Perovskite Oxide ، Deep Oxidation ، Catalyst